Tricyclic dihydro-quinoline derivatives, method for preparing same and pharmaceutical compositions containing same
CA 2448197 A1 · Owner: Husson, Henri-Philippe · Inventors: Hickman, John; Renard, Pierre; Giorgi-Renault, Sylviane
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a compound of formula (I) wherein: (a) represents a single or double bond; (b) represents a cycle selected among (i) (ii), (iii), (iv) and (v); R¿9a?, R¿9b? R¿9c?, X and Y are such as defined in the description; R¿1? represents a group selected among hydrogen aryl, heteroaryl, cycloalkyl, alkyl optionally substituted and COR¿11?, wherein R¿11? is such as defined in the description; R¿2? to R¿8? represent each a group selected among hydrogen halogen, hydroxy, polyhalogenoalkyl, nitro alkyl optionally substituted, amino optionally substituted alkoxy optionally substituted, -OPO(OH)¿2? and (II) wherein m represents an integer such that 1 <= m <= 4 or R¿2? with R¿3?, or …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.